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An observatory building at the top of Mount Lemmon outside of Tucson, Arizona. The observatory is a small white circular building with a domed roof. The evening sky behind it is dark pink and purple, and you can see hundreds of stars.

Episode 141: The Asteroid Hunter

Episode #141

2026-07-01 05:00:08

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In the early ’90s, a comet smashed into Jupiter with the force of 300 million atomic bombs. No one had seen anything like it before, and astronomers quickly realized that we should be monitoring asteroids and comets near Earth. Today, that’s David Rankin’s job.